Best Direct Mail Automation Software in 2026
Updated
In short: Inkit is ranked #1 of 28 as of 7 October 2026, ahead of thanks.io and Lob Address Verification. The best-ranked option with a free plan is thanks.io. The lowest first paid tier on this page is DocuPost at $9.95/mo.
Physical mail can be part of a sales or CRM workflow, and these tools cover ways to automate its preparation and delivery. Compared on address verification, mail formats and delivery scope, they give you practical details to weigh against the campaigns you need to run. Check CRM connections and API access if the process must connect with other systems; personalization level adds another point of comparison. Free-plan availability and paid-from pricing help frame cost. thanks.io, Lob Address Verification and DocuPost are among the entries to consider. Think about the mail formats, reach and integrations your work requires, then compare the listed capabilities to find a suitable fit.
28 direct mail automation software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
28ranked
8free plans on this page
$9.95/molowest paid tier
7 Oct 2026last checked
Input list Direct Mail Automation Software 25 channels on this page · 169 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromMail formatsPersonalization levelAPI accessCRM connectionsAddress verificationDelivery scope Spec sheet Score
01 Inkit Free planYesPaid fromnot statedMail formatsletter, postcardPersonalization levelvariableAPI accessYesCRM connectionsSalesforceAddress verificationYesDelivery scopedomestic 7/8spec lines stated 7.4
02 thanks.io Free planYesPaid from$49/moMail formatsPostcards, windowed letters, windowless letters, notecards, gift cards, MagnaCardsPersonalization levelone-to-oneAPI accessYesCRM connectionsHubSpot, Salesforce, Pipedrive, ActiveCampaign, HighLevel, Bold Trail, kvCORE, Zoho, Keap, Monday.com, Follow Up Boss, InsuredMine, iListAddress verificationYesDelivery scopeboth 8/8spec lines stated 7.4
03 Lob Address Verification Free planYesPaid from$20/moMail formatsnot statedPersonalization levelnot statedAPI accessYesCRM connectionsnot statedAddress verificationnot statedDelivery scopenot stated 3/8spec lines stated 7.2
04 DocuPost Free planYesPaid from$9.95/moMail formatsletters, postcards, checksPersonalization levelvariableAPI accessYesCRM connectionsHubSpotAddress verificationYesDelivery scopeboth 8/8spec lines stated 7.1
05 Stannp Free planYesPaid from$12/moMail formatspostcards, letters, self-mailersPersonalization levelvariableAPI accessYesCRM connectionsHubSpot, KlaviyoAddress verificationYesDelivery scopeboth 8/8spec lines stated 7.1
06 Postalytics Free planYesPaid from$199/moMail formats4×6, 6×9, and 6×11 postcards; 9×12 and 6×18 bifold self-mailers; 8.5×11 and 8.5×14 lettersPersonalization levelvariableAPI accessYesCRM connectionsHubSpot, Salesforce, ActiveCampaign, Zoho CRM, Keap, GoHighLevelAddress verificationYesDelivery scopeboth 8/8spec lines stated 7.0
07 PostPilot Free planYesPaid from$82.5/moMail formats4x6 postcards; 6x9 postcards; 6x11 postcards; handwritten cards; Cardalogs; A5 postcardsPersonalization levelone-to-oneAPI accessYesCRM connectionsKlaviyoAddress verificationYesDelivery scopeboth 8/8spec lines stated 7.0
08 Handwrytten Free planNoPaid from$100/moMail formatsflat cards, folded cards, postcards, letters/notesPersonalization levelone-to-oneAPI accessYesCRM connectionsSalesforce, HubSpot, Blackbaud Raiser's EdgeAddress verificationYesDelivery scopeboth 8/8spec lines stated 6.9
09 MailerBot Free planNoPaid from$99/moMail formatspostcards, letters, invoices, EDDM, custom print piecesPersonalization levelone-to-oneAPI accessYesCRM connectionsHubSpot, Salesforce, ServiceTitan, Housecall Pro, Jobber, FieldEdge, WorkizAddress verificationYesDelivery scopenot stated 7/8spec lines stated 6.9
10 PostGrid Address Verification Free planNoPaid from$18/moMail formatsnot statedPersonalization levelnot statedAPI accessYesCRM connectionsnot statedAddress verificationnot statedDelivery scopenot stated 3/8spec lines stated 6.9
11 Sincerely Free planYesPaid from$250/moMail formats4x6 postcards; 6x9 postcards; lettersPersonalization levelone-to-oneAPI accessNoCRM connectionsSalesforce; HubSpotAddress verificationYesDelivery scopeboth 8/8spec lines stated 6.9
12 MailStream Free planYesPaid from$99/moMail formats4×6, 6×9, and 6×11 postcards; 8.5×11 lettersPersonalization levelvariableAPI accessYesCRM connectionsPlanning Center, HubSpot, Salesforce, GoHighLevel, ActiveCampaignAddress verificationYesDelivery scopedomestic 8/8spec lines stated 6.7
13 Direct Mail Manager Free planYesPaid from$199/moMail formatspostcards, lettersPersonalization levelone-to-oneAPI accessYesCRM connectionsSalesforce, CapsuleCRMAddress verificationYesDelivery scopedomestic 8/8spec lines stated 6.6
14 Click2Mail Free planYesPaid fromnot statedMail formatspostcards, letters, flyers, brochures, booklets, certified mail, priority mail, reply mail, secure mailers, notecards, rack cards, EDDMPersonalization levelvariableAPI accessYesCRM connectionsSalesforce, Podio, Follow-Up Boss, Google Sheets, Go High Level, ClioAddress verificationYesDelivery scopeboth 7/8spec lines stated 6.0
15 PFL Tactile Marketing Automation Free plannot statedPaid fromnot statedMail formatspostcards, letters, brochures, catalogs, flyers, custom boxes, packaging, promotional kits, dimensional mailersPersonalization levelone-to-oneAPI accessYesCRM connectionsSalesforce Sales Cloud, Salesforce Marketing Cloud, Salesforce Health Cloud, Salesforce Financial Cloud, Marketo, EloquaAddress verificationYesDelivery scopeboth 6/8spec lines stated 6.0
16 PostBridge Free planNoPaid fromnot statedMail formatsletters, postcardsPersonalization levelnot statedAPI accessYesCRM connectionsSalesforce, HubSpot, Zoho CRM, Dynamics 365Address verificationYesDelivery scopeboth 6/8spec lines stated 6.0
17 Growmail Free plannot statedPaid fromnot statedMail formatsPostcards, brochures, flyers, and letter mailersPersonalization levelvariableAPI accessYesCRM connectionsSalesforce, Shopify, Intuit, Capsule, Planning Center, ZapierAddress verificationYesDelivery scopedomestic 6/8spec lines stated 5.9
18 Letter Friend Free planNoPaid fromnot statedMail formatshandwritten letters; handwritten envelopes; thank-you cards; birthday cards; business cards; branded stationeryPersonalization levelone-to-oneAPI accessYesCRM connectionsSalesforce; HubSpot; Pipedrive; Zoho; MondayAddress verificationYesDelivery scopeinternational 7/8spec lines stated 5.9
19 PebblePost Free plannot statedPaid fromnot statedMail formatspostcards, 4-panel folds, 6-panel foldsPersonalization levelone-to-oneAPI accessnot statedCRM connectionsCRM systemsAddress verificationYesDelivery scopedomestic 5/8spec lines stated 5.9
20 Postie Free plannot statedPaid fromnot statedMail formatspostcardsPersonalization levelvariableAPI accessYesCRM connectionsHubSpot, SalesforceAddress verificationYesDelivery scopedomestic 6/8spec lines stated 5.9
21 Veezla Free plannot statedPaid fromnot statedMail formatsletters, postcards, checksPersonalization levelvariableAPI accessYesCRM connectionsSalesforceAddress verificationYesDelivery scopeboth 6/8spec lines stated 5.9
22 DirectMail.io Free planNoPaid fromnot statedMail formatspostcards, letters, self-mailers, flats, brochuresPersonalization levelone-to-oneAPI accessYesCRM connectionsHubSpot, SalesforceAddress verificationYesDelivery scopedomestic 7/8spec lines stated 5.8
23 Print.one Free planNoPaid fromnot statedMail formatspostcards, greeting cards, A4 lettersPersonalization levelone-to-oneAPI accessYesCRM connectionsHubSpot, Salesforce, Microsoft Dynamics 365, Odoo CRM, Zoho, ActiveCampaign, Klaviyo, AFASAddress verificationYesDelivery scopeboth 7/8spec lines stated 5.8
24 RelevateAI Free planNoPaid fromnot statedMail formatspostcardsPersonalization levelone-to-oneAPI accessYesCRM connectionsSalesforce, HubSpotAddress verificationYesDelivery scopedomestic 7/8spec lines stated 5.8
25 REmail Free planNoPaid from$1,499/moMail formats4x6 postcards; 6x9 postcards; 6x11 postcards; professional letters; check-letter snap packs; yellow letters; handwritten letters; custom mail piecesPersonalization levelvariableAPI accessYesCRM connectionsnot statedAddress verificationYesDelivery scopedomestic 7/8spec lines stated 5.8
Compare all 25 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Mail formats | Personalization level |
|---|---|---|---|---|---|---|---|---|
| 1 | Inkit | 7.4 | Free plan | $20/mo | Yes | — | letter, postcard | variable |
| 2 | thanks.io | 7.4 | Free plan | $49/mo | Yes | 49 /mo | Postcards, windowed letters, windowless letters, notecards, gift cards, MagnaCards | one-to-one |
| 3 | Lob Address Verification | 7.2 | Free plan | $260/mo | Yes | 20 /mo | — | — |
| 4 | DocuPost | 7.1 | Free plan | $9.95/mo | Yes | 9.95 /mo | letters, postcards, checks | variable |
| 5 | Stannp | 7.1 | Free plan | $12/mo | Yes | 12 /mo | postcards, letters, self-mailers | variable |
| 6 | Postalytics | 7.0 | Free plan | $199/mo | Yes | 199 /mo | 4×6, 6×9, and 6×11 postcards; 9×12 and 6×18 bifold self-mailers; 8.5×11 and 8.5×14 letters | variable |
| 7 | PostPilot | 7.0 | Free plan | $82.50/mo | Yes | 82.5 /mo | 4x6 postcards; 6x9 postcards; 6x11 postcards; handwritten cards; Cardalogs; A5 postcards | one-to-one |
| 8 | Handwrytten | 6.9 | No | $100/mo | No | 100 /mo | flat cards, folded cards, postcards, letters/notes | one-to-one |
| 9 | MailerBot | 6.9 | No | $99/mo | No | 99 /mo | postcards, letters, invoices, EDDM, custom print pieces | one-to-one |
| 10 | PostGrid Address Verification | 6.9 | No | $18/mo | No | 18 /mo | — | — |
| 11 | Sincerely | 6.9 | Free plan | $250/mo | Yes | 250 /mo | 4x6 postcards; 6x9 postcards; letters | one-to-one |
| 12 | MailStream | 6.7 | No | — | Yes | 99 /mo | 4×6, 6×9, and 6×11 postcards; 8.5×11 letters | variable |
| 13 | Direct Mail Manager | 6.6 | No | $199/mo | Yes | 199 /mo | postcards, letters | one-to-one |
| 14 | Click2Mail | 6.0 | No | — | Yes | — | postcards, letters, flyers, brochures, booklets, certified mail, priority mail, reply mail, secure mailers, notecards, rack cards, EDDM | variable |
| 15 | PFL Tactile Marketing Automation | 6.0 | No | — | — | — | postcards, letters, brochures, catalogs, flyers, custom boxes, packaging, promotional kits, dimensional mailers | one-to-one |
| 16 | PostBridge | 6.0 | No | — | No | — | letters, postcards | — |
| 17 | Growmail | 5.9 | No | — | — | — | Postcards, brochures, flyers, and letter mailers | variable |
| 18 | Letter Friend | 5.9 | No | — | No | — | handwritten letters; handwritten envelopes; thank-you cards; birthday cards; business cards; branded stationery | one-to-one |
| 19 | PebblePost | 5.9 | No | — | — | — | postcards, 4-panel folds, 6-panel folds | one-to-one |
| 20 | Postie | 5.9 | No | — | — | — | postcards | variable |
| 21 | Veezla | 5.9 | No | — | — | — | letters, postcards, checks | variable |
| 22 | DirectMail.io | 5.8 | No | — | No | — | postcards, letters, self-mailers, flats, brochures | one-to-one |
| 23 | Print.one | 5.8 | No | — | No | — | postcards, greeting cards, A4 letters | one-to-one |
| 24 | RelevateAI | 5.8 | No | — | No | — | postcards | one-to-one |
| 25 | REmail | 5.8 | No | — | No | 1,499 /mo | 4x6 postcards; 6x9 postcards; 6x11 postcards; professional letters; check-letter snap packs; yellow letters; handwritten letters; custom mail pieces | variable |
Is your tool on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which direct mail automation software is ranked first on Specifiction?
Inkit is ranked #1 of 28 with a score of 7.4. thanks.io is second and Lob Address Verification third.
How many of these have a free plan?
8 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, DocuPost has the lowest first paid tier we found: $9.95/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.
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